rework api endpoints

src/pages/api/_api.ts

@@ -0,0 +1,34 @@
+import type { APIRoute } from 'astro';
+import { z } from 'astro:schema';
+import { checkApiBasicAuth } from '@util/auth.ts';
+
+export function externalApi<InputSchema extends z.ZodType | undefined>(params: {
+  input?: InputSchema;
+  auth?: boolean;
+  handler: ({
+    input,
+    params
+  }: {
+    input: InputSchema extends z.ZodType ? z.infer<InputSchema> : {};
+    params: Record<string, string | undefined>;
+  }) => Response | Promise<Response>;
+}): APIRoute {
+  return async (context) => {
+    if (params.auth && !checkApiBasicAuth(context.request.headers)) {
+      return new Response(null, { status: 401 });
+    }
+
+    let input;
+    if (params.input) {
+      try {
+        input = await params.input.parseAsync(await context.request.json());
+      } catch (_) {
+        return new Response(null, { status: 400 });
+      }
+    } else {
+      input = {};
+    }
+
+    return params.handler({ input: input, params: context.params });
+  };
+}